Proceedings of the Korean Vacuum Society Conference (한국진공학회:학술대회논문집)
- 2010.08a
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- Pages.238-239
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- 2010
Performance Characteristics of Polymer Photovoltaics using Dimethyl Sulphoxide incorporated PEDOT:PSS Buffer Layer
- Park, Seong-Hui ;
- Lee, Hye-Hyeon ;
- Jo, Yeong-Ran ;
- Hwang, Jong-Won ;
- Gang, Yong-Su ;
- Choe, Yeong-Seon
- 박성희 (부산대학교, 화학공학고분자공학과) ;
- 이혜현 (부산대학교, 화학공학고분자공학과) ;
- 조영란 (부산대학교, 화학공학고분자공학과) ;
- 황종원 (부산대학교, 화학공학고분자공학과) ;
- 강용수 (부산대학교, 화학공학고분자공학과) ;
- 최영선 (부산대학교, 화학공학고분자공학과)
- Published : 2010.08.18
Abstract
Dimethyl sulphoxide (DMSO) is one of the widely-used secondary dopants in order to enhance the conductivity of poly(3, 4-ethylenedioxy-thiophene):poly(styrene sulfonate) (PEDOT:PSS) film. In this work, we investigated the effect of DMSO doping in to PEDOT:PSS on the electrical performance of the bulk heterojunction photovoltaics consisting of poly(3-hexylthiophene-2, 5-diyl) and phenyl-C61-butyric acid methyl ester. Correlation between the power conversion efficiency and the mechanism of improving conductivity, surface morphology, and contact properties was examined. The PEDOT:PSS films, which contain different concentration of DMSO, have been prepared and annealed at different annealing temperatures. The mixture of DMSO and PEDOT:PSS was prepared with a ratio of 1%, 5%, 15%, 25%, 35%, 45%, 55% by volume of DMSO, respectively. The DMSO-contained PEDOT:PSS solutions were stirred for 1hr at
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